/*
 * (C) Copyright 2006-2007 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Contributors:
 *     Nuxeo - initial API and implementation
 *
 * $Id: JOOoConvertPluginImpl.java 18651 2007-05-13 20:28:53Z sfermigier $
 */

package org.nuxeo.ecm.platform.ui.web.auth;

import java.security.Principal;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import javax.servlet.http.HttpSession;

public class NuxeoSecuredRequestWrapper extends HttpServletRequestWrapper {

    protected final Principal principal;

    public NuxeoSecuredRequestWrapper(HttpServletRequest request) {
        this(request, null);
    }

    public NuxeoSecuredRequestWrapper(HttpServletRequest request, Principal principal) {
        super(request);
        this.principal = principal;
    }

    @Override
    public Principal getUserPrincipal() {
        if (principal != null) {
            return principal;
        } else {
            HttpSession session = getSession(false);
            if (session == null) {
                return null;
            } else {
                return (Principal) session.getAttribute(NXAuthConstants.PRINCIPAL_KEY);
            }
        }
    }

}
